Verbal Reasoning - Mental Ability Questions

Study the following information carefully and answer the questions given below it.

1) There are 6 members in a family in which there are two married couples.

2) Sandhya, a lawyer, is married to the engineer and is mother of Charu and Suraj.

3) Bhuvanesh, the teacher, is married Aruna.

4) Aruna has one son and one grandson.

5) Of the two married ladies one is a housewife.

6) There is also one student and one male doctor in the family

How is Aruna related to Charu?

In the following question, select the missing number from the given series.

15, 22, 31, 42, 55, ?

Find out which part of a sentence has an error and mark the answer corresponding to the appropriate letter (A, B, C). If a sentence is free from errors, mark (D) as the answer.

$$\begin{gathered} He flew(A) / over extensively(B) / the pacific last winter(C) / No error(D) \\ \end{gathered}$$

Pointing to a man on the stage, Rita said, "He is the brother of the daughter of the wife of my husband." How is the man on the stage related to Rita ? 

25 : 37 :: 49 : ?

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?).Choose the missing terms out of the given alternatives. 2Z5, 7Y7, 14X9, 23W11, 34V13, ?

In the following question, select the missing number from the given series.

9, 11, 14, 18, 23, ?

How many independent words can 'HEARTLESS' be divided into without changing the order of the letters and using each letter only once ?